What’s Vulnerable › Vulnerabilities
CVE-2025-3246: Markdown math block sanitization bypass allows privilege escalation and unauthorized workflow triggers
- Severity: high (CVSS 7.6 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2025-04-17 · updated 2026-06-17
- Weakness: CWE-79
Description
An improper neutralization of input vulnerability was identified in GitHub Enterprise Server that allowed cross-site scripting in GitHub Markdown that used `$$..$$` math blocks. Exploitation required access to the target GitHub Enterprise Server instance and privileged user interaction with the malicious elements. This vulnerability affected version 3.16.1 of GitHub Enterprise Server and was fixed in version 3.16.2. This vulnerability was reported via the GitHub Bug Bounty program.
Affected products
- GitHub Enterprise Server: 3.16.1
References
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